remove use of ob.update_from_editmode() since editmode meshes don't get access to customdata layers.

1 files changed, 6 insertions, 1 deletions

diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py
index 07e9e587..dc6c05d5 100644
--- a/io_mesh_uv_layout/__init__.py
+++ b/io_mesh_uv_layout/__init__.py
@@ -172,7 +172,9 @@ class ExportUVLayout(bpy.types.Operator):
     def execute(self, context):
 
         obj = context.active_object
-        obj.update_from_editmode()
+        is_editmode = (obj.mode == 'EDIT')
+        if is_editmode:
+            bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
 
         mode = self.mode
 
@@ -202,6 +204,9 @@ class ExportUVLayout(bpy.types.Operator):
         if self.modified:
             bpy.data.meshes.remove(mesh)
 
+        if is_editmode:
+            bpy.ops.object.mode_set(mode='EDIT', toggle=False)
+
         file.close()
 
         return {'FINISHED'}